在JAVA中,StringBuilder是否有最大容量限制?
StringBuilder url=new StringBuilder();
stmt = connnection.createStatement();
String sql="SOME QUERY";
rs = stmt.executeQuery(sql);
while(rs.next())
{
String emailId=rs.getString("USER_EMAIL_ID");
url.append(emailId);
}
StringBuilder变量'url'是否有最大容量限制,还是可以容纳任何内容?